TWM632621U - Connector - Google Patents

Abstract

A connector includes a metal shell, a terminal module fixed to the metal shell, and a cable electrically connected to the terminal module. The aforementioned terminal module includes a first terminal module and a second terminal module respectively arranged on opposite sides of the aforementioned metal shell, and both the aforementioned first terminal module and the aforementioned second terminal module include an insulating block and are arranged on the aforementioned A plurality of terminal groups of the insulating block, the aforementioned terminal groups are composed of a plurality of differential signal terminal pairs and ground terminals located between two adjacent pairs of the aforementioned differential signal terminal pairs.

Description

Connector

The invention relates to a connector and belongs to the technical field of connectors.

This creation claims the priority of the Chinese patent application with the filing date on June 16, 2021 and the application number: 202121344772.9, the entire contents of which are incorporated in this creation by reference.

A conventional connector assembly usually includes a connector and a mating connector, wherein the connector includes a metal shell, a terminal module fixed on the metal shell, and a cable electrically connected to the terminal module.

However, due to the large number of terminals and small intervals of the connectors in the prior art, the transmission quality needs to be improved.

The purpose of this invention is to provide a connector capable of improving signal transmission quality.

In order to achieve the above-mentioned purpose, this creation adopts the following technical solutions: a connector, including: a metal shell; a terminal module fixed to the aforementioned metal shell; and a cable electrically connected to the aforementioned terminal module, the aforementioned terminal module It includes a first terminal module and a second terminal module respectively arranged on opposite sides of the aforementioned metal shell, the aforementioned first terminal module and the aforementioned second terminal module both include an insulating block and are arranged on the aforementioned insulating block and are connected to the aforementioned insulating block. A plurality of terminal groups electrically connected by cables, the aforementioned terminal groups are composed of a plurality of differential signal terminal pairs and ground terminals located between two adjacent pairs of the aforementioned differential signal terminal pairs.

In some embodiments, the pair of differential signal terminals and the ground terminal both have a fixing portion at least partially embedded in the insulating block, an extension portion extending from one end of the fixing portion, a docking portion extending from the extension portion, and a connecting portion extending from the aforementioned The other end of the fixing part extends and is electrically connected to the connecting part of the cable. The grounding terminal also has a lapping part further extending from the docking part and embedded in the insulating block. The lapping part of each grounding terminal connected in series by a bridge.

In some embodiments, the metal housing includes a main body and a shielding plate extending from the main body to protrude from the main body, the shielding plate is integrated with the main body, the first terminal module and the second terminal module The groups are respectively arranged on opposite sides of the aforementioned shielding plate.

In some embodiments, the insulating block includes a first end surface opposite to the shielding plate, a second end surface opposite to the first end surface, and the abutting portion is exposed on the second end surface.

In some embodiments, the insulating block further includes a plurality of interval grooves that are recessed from the second end surface toward a direction close to the first end surface and located between two adjacent extension portions.

In some embodiments, the insulating block further includes a plurality of protruding bumps protruding from the second end face in a direction away from the first end face and located between two adjacent ground terminals. A groove is formed between them, the aforementioned fixing portion of the pair of differential signal terminals is embedded in the aforementioned bump, and the aforementioned fixing portion of the aforementioned ground terminal is partially exposed in the aforementioned groove.

In some embodiments, a plurality of the aforementioned grooves form a wave-shaped installation groove, the aforementioned first terminal module and the aforementioned second terminal module further include a grounding piece, the shape of the aforementioned grounding piece corresponds to the shape of the aforementioned installation groove, and the aforementioned The ground sheet is accommodated in the installation groove and covers the plurality of protrusions and the plurality of fixing portions of the ground terminals exposed in the groove.

In some embodiments, the aforementioned insulating block further includes a plurality of communicating grooves that are recessed from the aforementioned first end face toward the direction close to the aforementioned second end face and correspond to the positions of each of the aforementioned butt joints, and each of the aforementioned butt joints is at least partially exposed to the aforementioned in the connecting tank.

In some embodiments, the aforementioned main body portion includes a first accommodation groove for accommodating the aforementioned first terminal module, and spaced apart from the aforementioned first accommodation groove for accommodating the aforementioned second terminal. The second receiving groove of the module and the partition plate arranged between the first receiving groove and the second receiving groove.

In some embodiments, the insulating block further includes a positioning plate extending from the shielding plate to protrude from the shielding plate, and the positioning plate includes at least two positioning pieces arranged at intervals and having different sizes.

Compared with the conventional technology, the first terminal module and the second terminal module of the inventive connector are respectively arranged on opposite sides of the aforementioned metal shell, and the aforementioned first terminal module and the aforementioned second terminal module The ground terminal is set between two adjacent pairs of differential signal terminal pairs in the terminal group, which can reduce signal interference and improve signal transmission quality; at the same time, there is a metal shell integrated between the first terminal module and the second terminal module. The shielding sheet realizes the shielding of signals between the first terminal module and the second terminal module, improves the quality of signal transmission, facilitates manufacturing, reduces production costs and reduces production processes.

1: Metal shell

100: Connector

11: Main body

111: bottom wall

1111: storage tank

112: top wall

1121: storage space

1125: The first storage tank

1126: The second storage tank

1127: clapboard

113: front wall

1131: containment space

114: rear wall

1141: connection slot

115: side wall

116: partition wall

118: The first storage tank

119: The second storage tank

12: shielding plate

121: first surface

122: second surface

13: Positioning plate

131: positioning film

132:Positioning film

133: positioning film

2: Terminal module

200: butt connector

21: The first terminal module

210: Lap joint

211: insulating block

2112: first end face

2113: Second end face

2114: spacer slot

2115: Bump

2116: Connecting slot

2117: groove

212: Terminal group

213: Ground plate

214: Differential signal terminal pair

215: Ground terminal

216: fixed part

217: Extension

218: docking part

219: Connecting part

22: Second terminal module

23: lap bridge

3: Moving parts

300: circuit board

31: base

311: positioning column

32: The first ejector

33: The second push rod

4: Elastic parts

5: cable

6: Cover

7: Drawstring

81: Butt metal shell

810: Docking slot

811: lower wall

812: connecting wall

813: positioning slot

815: positioning slot

816: positioning slot

817: positioning slot

82: Butt terminal

821:Elastic docking arm

822: Install tail

83: Metal shell

X: axis

Y: axis

Z: axis

FIG. 1 is a three-dimensional schematic view of the inventive connector and the docking connector in a plugged state.

FIG. 2 is a three-dimensional schematic view of the inventive connector and the docking connector in a non-mating state.

Fig. 3 is a partial three-dimensional exploded view of the inventive connector.

Fig. 4 is a partially exploded perspective view of Fig. 3 from another angle.

FIG. 5 is a further three-dimensional exploded view of FIG. 3 .

Fig. 6 is a perspective view of the metal shell of the inventive connector.

Fig. 7 is the front view of the metal shell of the inventive connector.

FIG. 8 is a three-dimensional exploded view of the terminal module of the inventive connector.

Fig. 9 is a further perspective exploded view of Fig. 8, wherein the ground plate is separated from the insulating block.

FIG. 10 is a schematic perspective view of FIG. 9 with the ground plate and an insulating block removed.

Fig. 11 is a three-dimensional exploded view of the docking connector of this invention.

Fig. 12 is a perspective view of the docking metal shell of the docking connector of the present invention.

The exemplary specific implementation of this creation will be described in detail below in conjunction with the drawings. line description. If there are multiple specific implementations, the features in these implementations can be combined with each other under the condition of no conflict. When the description refers to drawings, unless otherwise stated, the same numerals in different drawings indicate the same or similar elements. The content described in the following exemplary embodiments does not represent all implementations consistent with this creation; on the contrary, they are only consistent with some aspects of this creation described in the patent scope of this creation Examples of devices, products and/or methods.

The terminology used in this creation is only for the purpose of describing specific implementations, and is not intended to limit the protection scope of this creation. As used in the specification and claims of this invention, the singular forms "a", "aforementioned" or "the" are also intended to include the plural forms unless the context clearly indicates otherwise.

It should be understood that words such as "first", "second" and similar words used in the description of this creation and in the patent claims do not indicate any order, quantity or importance, but are only used to distinguish the nomenclature of features . Likewise, words like "a" or "one" do not denote a limitation in quantity, but indicate that there is at least one. Unless otherwise indicated, words such as "front", "rear", "upper" and "lower" appearing in this creation are for convenience of description only, and are not limited to a specific position or a spatial orientation. "Includes" or "comprising" and other similar words are open-ended expressions, which means that the elements appearing before "comprising" or "comprising" cover the elements appearing after "comprising" or "comprising" and their equivalents, This does not exclude that elements appearing before "comprising" or "comprising" may also contain other elements. If "plural" appears in this work, it means two or more than two.

Please refer to FIG. 1 to FIG. 2 , the invention discloses a connector assembly, which includes a connector 100 and a mating connector 200 opposite to the aforementioned connector 100 . In the illustrated embodiment of the present invention, the aforementioned connector 100 is a cable connector, and the aforementioned mating connector 200 is a board-end connector used to be installed on the circuit board 300 . The aforementioned connector 100 is docked with the aforementioned docking connector 200 to realize data transmission.

For the accuracy of the description of this creation, all descriptions of the direction of the connector components in this creation shall be referred to in Figure 3, where the extension direction of the X-axis is the left-right direction, and it is agreed that the positive direction of the X-axis is right; the extension direction of the Y-axis is Front and rear directions, and agree that the positive direction of the Y axis is the rear; the extension of the Z axis The extension direction is the up and down direction, and the positive direction of the Z axis is agreed to be up. The connector and the mating connector are butted up and down.

3 to 5, the aforementioned connector 100 includes a metal shell 1, a terminal module 2 fixed on the aforementioned metal shell 1, a movable part 3 mounted on the aforementioned metal shell 1, and used to abut against the aforementioned The elastic member 4 of the movable part 3 , the cable 5 electrically connected to the terminal module 2 , the cover plate 6 buckled on the metal shell 1 and at least partly abutting the cable 5 , and the movable part 3 Linked drawstring 7. The drawstring 7 can drive the movable part 3 to overcome the force of the elastic part 4, so that the movable part 3 can move forward and backward.

The metal shell 1 includes a main body 11 , a shielding plate 12 extending downward from the main body 11 and protruding from the main body 11 , and a positioning plate 13 extending downward from the shielding plate 12 and protruding from the shielding plate 12 . In the embodiment illustrated in this creation, in the left-right direction and the front-rear direction, the size of the aforementioned main body portion 11, the size of the aforementioned shielding plate 12, and the size of the aforementioned positioning plate 13 become smaller in sequence. When viewed from this direction, the aforementioned metal casing 1 is roughly in the shape of a step.

6, the aforementioned main body 11 includes a bottom wall 111, a top wall 112 opposite to the aforementioned bottom wall 111, a front wall 113, a rear wall 114 opposite to the aforementioned front wall 113, and a connection between the aforementioned top wall 112 and the front wall 113. The two side walls 115 between the aforementioned bottom walls 111, the partition wall 116 connected between the two aforementioned side walls 115, the receiving space 1131 located in front of the aforementioned partition wall 116 and passing through the aforementioned front wall 113, and the left and right sides of the aforementioned receiving space 1131 The first receiving groove 118 and the second receiving groove 119 on the side, the connecting groove 1141 that is located at the rear of the aforementioned partition wall 116 and penetrates the aforementioned rear wall 114 backwards, the accommodation space 1121 that penetrates the aforementioned top wall 112 upwards, and connects from the aforementioned connecting groove 1141 The accommodating groove 1111 penetrates downwardly through the aforementioned bottom wall 111 .

The aforementioned shielding plate 12 includes a first surface 121 and a second surface 122 oppositely disposed.

Please refer to FIG. 7 , in the illustrated embodiment of the invention, the aforementioned positioning plate 13 includes a first positioning piece 131 located in the middle, located on one side of the aforementioned first positioning piece 131 and spaced from the aforementioned first positioning piece 131 The second positioning piece 132 is provided, and the third positioning piece 133 is located on the other side of the first positioning piece 131 and is spaced apart from the first positioning piece 131 . In the left-right direction, the size of the aforementioned first positioning piece 131 is greater than the size of the aforementioned second positioning piece 132, and the aforementioned first positioning piece 132 The size of a positioning piece 131 is also larger than the size of the aforementioned third positioning piece 133 . In the embodiment illustrated in this creation, the sizes of the first positioning piece 131, the second positioning piece 132 and the third positioning piece 133 are not exactly the same, and the first positioning piece 131 and the second positioning piece 132 The distance between them is different from the distance between the aforementioned first positioning piece 131 and the aforementioned third positioning piece 133 . Such an arrangement can play a fool-proof role, and can prevent the aforementioned connector 100 from being inserted into the aforementioned mating connector 200 at a wrong angle.

8 to 10, the aforementioned terminal module 2 includes a first terminal module 21 and a second terminal module 22 respectively arranged on opposite sides of the aforementioned metal shell 1, specifically, the aforementioned first terminal module The group 21 is disposed on the first surface 121 of the shielding plate 12 , and the second terminal module 22 is disposed on the second surface 122 of the shielding plate 12 . Furthermore, the aforesaid receiving groove 1111 includes a first accommodating groove 1125 for accommodating the aforementioned first terminal module 21 , and a second accommodating groove 1125 for accommodating the aforementioned second terminal module 22 arranged at intervals from the aforementioned first accommodating groove 1125 . The slot 1126 and the partition 1127 are disposed between the first receiving slot 1125 and the second receiving slot 1126 .

The first terminal module 21 and the second terminal module 22 have the same structure, so only the first terminal module 21 will be described in detail here.

The first terminal module 21 includes an insulating block 211 , a plurality of terminal groups 212 and a grounding piece 213 disposed on the insulating block 211 . The terminal group 212 is composed of a plurality of differential signal terminal pairs 214 and a ground terminal 215 located between two adjacent pairs of the differential signal terminal pairs 214 . The aforementioned ground terminals 215 are provided between two adjacent pairs of the aforementioned differential signal terminal pairs 214 , which can better improve the transmission quality.

Each of the differential signal terminal pair 214 and the ground terminal 215 has a fixing portion 216 at least partially embedded in the insulating block 211, an extension portion 217 extending from one end of the fixing portion 216, and a docking portion extending from the extension portion 217. 218 and a connecting portion 219 extending from the other end of the fixing portion 216 and electrically connected to the cable 5 , the fixing portion 216 of the grounding terminal 215 is partially exposed to the insulating block 211 . The aforementioned ground terminals 215 also have overlapping portions 210 further extending from the aforementioned docking portions 218 and embedded in the aforementioned insulating block 211 , and the aforementioned overlapping portions 210 of each of the aforementioned ground terminals 215 are connected in series by means of overlapping bridges 23 , thereby further improving Signal transmission quality.

The insulating block 211 includes a first end surface 2112 adjacent to the shielding plate 12 and a second end surface 2113 opposite to the first end surface 2112 , and the abutting portion 218 is exposed on the second end surface 2113 . The insulating block 211 further includes a plurality of interval grooves 2114 that are recessed from the second end surface 2113 towards the direction close to the first end surface 2112 and located between the adjacent two aforementioned extensions 217, away from the second end surface 2113. The plurality of protrusions 2115 that protrude in the direction of the first end surface 2112 and are located between the aforementioned fixing portions 216 of two adjacent ground terminals 215 are recessed from the first end surface 2112 toward the direction close to the second end surface 2113 and are in contact with the second end surface 2113. The position of each aforementioned docking portion 218 corresponds to a plurality of communication slots 2116 , and each aforementioned docking portion 218 is at least partially exposed in the aforementioned communication slots 2116 .

A groove 2117 is formed between two adjacent bumps 2115, the fixing portion 216 of the differential signal terminal pair 214 is embedded in the bump 2115, and the fixing portion 216 of the ground terminal 215 is partly exposed in the groove In 2117, the plurality of aforementioned grooves 2117 form a wavy mounting groove. The shape of the aforementioned ground piece 213 is an elongated wave, which is accommodated in the aforementioned mounting groove and covers the plurality of aforementioned bumps 2115 and the plurality of aforementioned fixing portions 216 of the aforementioned ground terminals 215 exposed in the aforementioned groove 2117, thereby realizing The connection between the ground terminals 215 can make the signal transmission more stable.

Please refer to FIG. 3 to FIG. 6 , the aforementioned movable component 3 is at least partially installed in the aforementioned main body portion 11 . Specifically, the aforementioned movable part 3 includes a base 31 accommodated in the aforementioned accommodation space 1131, a first push rod 32 extending from one side of the aforementioned base 31 and accommodated in the aforementioned first accommodation groove 118, and a shaft extending from the aforementioned base 31. The other side extends and is accommodated in the second push rod 33 in the second receiving groove 119 .

In the embodiment shown in this creation, the aforementioned elastic member 4 is a compression spring installed between the aforementioned base portion 31 and the aforementioned barrier wall 116 of the aforementioned main body portion 11 . There are two compression springs arranged side by side to improve the stability when the movable part 3 moves. In addition, in order to better position the compression spring, the aforementioned base 31 is also provided with a positioning post 311 at least partially inserted into the compression spring.

In the embodiment illustrated in this creation, the aforementioned cables 5 extend along the front-to-back direction It extends beyond the main body portion 11 and is electrically connected to the terminal module 2 through the connecting groove 1141 .

The cover plate 6 is accommodated and fixed in the accommodating space 1121 of the main body portion 11 , and the drawstring 7 extends out of the cover plate 6 . In one embodiment of the present invention, the aforementioned cover plate 6 presses the connection between the aforementioned cable 5 and the aforementioned terminal module 2 to play a protective role.

Please refer to FIG. 11 and FIG. 12 , the aforementioned docking connector 200 is provided with a mating metal shell 81, a plurality of butting terminals 82 fixed on the aforementioned mating metal shell 81, and a metal shell 83 covering the aforementioned mating metal shell 81. .

The aforementioned metal shell 81 includes a lower wall 811 and a plurality of connecting walls 812 perpendicular to the lower wall 811 . A plurality of the aforementioned connecting walls 812 and the aforementioned lower wall 811 enclose the docking slot 810 for receiving the aforementioned shielding plate 12, the aforementioned lower wall 811 is provided with a positioning groove 813 for receiving the aforementioned positioning plate 13, and the aforementioned positioning groove 813 is connected to the aforementioned docking socket. Groove 810 communicates. Specifically, the positioning groove 813 includes a first positioning groove 815 for receiving the first positioning piece 131 , a second positioning groove 816 for receiving the second positioning piece 132 , and a third positioning groove 817 for receiving the third positioning piece 133 . In the embodiment shown in the present invention, the first positioning groove 815 , the second positioning groove 816 and the third positioning groove 817 pass through the lower wall 811 .

In the embodiment disclosed in this creation, the aforementioned positioning plate 13 of the aforementioned connector 100 is provided with three positioning pieces 131, 132, 133, and correspondingly, the aforementioned positioning slots 813 of the aforementioned docking connector 200 are also provided with three. In the embodiment, the number of the positioning pieces 131, 132, 133 and the aforementioned positioning grooves 813 may be adjusted according to actual usage requirements, as long as there are at least two spaced and differently sized positioning pieces that cooperate with the corresponding positioning grooves, the To the role of foolproof.

The docking terminals 82 are arranged in two rows, and the docking terminals 82 include elastic docking arms 821 and mounting tails 822 for mounting on the circuit board 300 . The elastic elastic docking arm 821 extends into the docking slot 810 for contacting the docking portion 218 .

When the aforementioned connector 100 is inserted into the aforementioned docking connector 200, the aforementioned positioning plate 13 is correspondingly inserted into the aforementioned positioning groove 813, the aforementioned shielding plate 12 is correspondingly inserted into the aforementioned docking slot 810, and the aforementioned docking portion 218 of the aforementioned terminal module 2 is connected to The elastic docking arm 821 of the docking terminal 82 is docked. When the aforementioned connector 100 needs to be pulled out, an external force is applied to pull the aforementioned drawstring 7. The aforementioned drawstring 7 generates a component force along the front-rear direction, and the component force in this direction overcomes the force of the aforementioned elastic member 4, so that the aforementioned movable part 3 moves along the front-back direction, so that the aforementioned connector 100 is separated from the aforementioned docking connector. Pull out in 200.

The aforementioned metal housing 1 of the aforementioned connector 100 of the present invention is provided with the aforementioned positioning plate 13 having a plurality of positioning pieces 131, 132, 133. The aforementioned docking metal shell 81 is provided with the aforementioned positioning slot 813 corresponding to the aforementioned positioning plate 13, and the aforementioned positioning slot 813 includes a plurality of aforementioned positioning slots 815, 816, 817 corresponding to the positioning pieces 131, 132, 133. , it can well prevent the aforementioned connector 100 from being inserted into the aforementioned mating connector 200 at a wrong angle.

The aforementioned terminal module 2 of the aforementioned connector 100 of the present invention includes the aforementioned first terminal module 21 and the aforementioned second terminal module 22 respectively arranged on opposite sides of the aforementioned metal shell 1, and the aforementioned metal shell 1 is used to The aforementioned first terminal module 21 and the aforementioned second terminal module 22 are spaced apart, which can reduce signal interference and improve transmission quality; the aforementioned grounding terminal 215 is set between two adjacent pairs of aforementioned differential signal terminal pairs 214, which can better improve the transmission quality; the aforementioned ground terminal 215 also has the aforementioned overlapping portion 210 further extending from the aforementioned butt joint portion 218 and embedded in the aforementioned insulating block 211, and the aforementioned overlapping portion 210 is connected in series by the aforementioned overlapping bridge 23, Thereby further improving the quality of signal transmission; the aforementioned insulating block 211 has a plurality of aforementioned spacing grooves 2114 located between two adjacent aforementioned extending portions 217, and a plurality of aforementioned protrusions located between the aforementioned fixing portions 216 of adjacent two aforementioned aforementioned grounding terminals 215. A block 2115 and a plurality of aforementioned communicating grooves 2116 corresponding to the position of each aforementioned docking portion 218, each aforementioned butting portion 218 is at least partly exposed in the aforementioned communicating groove 2116, and a aforementioned recess is formed between two adjacent aforementioned protrusions 2115. Groove 2117, the aforementioned fixing portion 216 of the aforementioned differential signal terminal pair 214 is buried in the aforementioned bump 2115, the aforementioned fixing portion 216 of the aforementioned ground terminal 215 is partly exposed in the aforementioned groove 2117, and the aforementioned ground piece 213 covers a plurality of aforementioned bumps 2115 and a plurality of the aforementioned fixing portions 216 of the aforementioned ground terminals 215 exposed in the aforementioned groove 2117, so that the signal can be transmitted more stably.

The above embodiments are only used to illustrate the creation and not limit the technical solutions described in the creation. The understanding of the creation should be based on those skilled in the art. Description, but, this Those of ordinary skill in the art should understand that those skilled in the art can still modify or equivalently replace this creation, and all technical solutions and improvements that do not depart from the spirit and scope of this creation should be covered by the patent application for this creation. within range.

2: Terminal module

21: The first terminal module

211: insulating block

212: Terminal group

213: Ground plate

214: Differential signal terminal pair

215: Ground terminal

22: Second terminal module

Claims (10)

A connector comprising: Metal shell; a terminal module fixed to the aforementioned metal housing; and A cable electrically connected to the aforementioned terminal module; The aforementioned terminal module includes a first terminal module and a second terminal module respectively arranged on opposite sides of the aforementioned metal shell, and both the aforementioned first terminal module and the aforementioned second terminal module include an insulating block and are arranged on the aforementioned The insulating block is a plurality of terminal groups electrically connected with the cables, the aforementioned terminal groups include a plurality of differential signal terminal pairs and ground terminals located between two adjacent pairs of the aforementioned differential signal terminal pairs. The connector according to claim 1, wherein: the pair of differential signal terminals and the ground terminal both have a fixing portion at least partially embedded in the insulating block, an extension extending from one end of the fixing portion, and an extension extending from the extension The butt joint part of the aforesaid fixed part and the connecting part extending from the other end of the aforementioned fixed part and electrically connected with the aforementioned cable, the aforementioned ground terminal also has a lap joint part further extended from the aforementioned butt joint part and embedded in the aforementioned insulating block, each of the aforementioned ground terminals The aforementioned overlapping portions of the terminals are connected in series by the overlapping bridges. The connector according to claim 2, wherein: the metal shell includes a main body and a shielding plate extending from the main body to protrude from the main body, the shielding plate is integrated with the main body, and the first terminal module The second terminal module and the second terminal module are respectively arranged on two opposite sides of the shielding plate. The connector according to claim 3, wherein: the insulating block includes a first end surface opposite to the shielding plate, and a second end surface opposite to the first end surface, and the abutting portion is exposed on the second end surface. The connector according to claim 4, wherein: the insulating block further includes a plurality of interval grooves between two adjacent extensions formed by recessing from the second end surface toward the direction close to the first end surface. The connector as claimed in claim 5, wherein: the insulating block further includes a plurality of bumps protruding from the second end surface toward the direction away from the first end surface and located between two adjacent ground terminals, adjacent A groove is formed between the two bumps, the fixing portion of the differential signal terminal pair is embedded in the bump, and the fixing portion of the ground terminal is partially exposed in the groove. The connector as claimed in item 6, wherein: a plurality of the aforementioned grooves form a wave-shaped installation groove, the aforementioned first terminal module and the aforementioned second terminal module also include a grounding piece, the shape of the aforementioned grounding piece is consistent with the aforementioned installation The shape of the groove corresponds to that the ground sheet is accommodated in the installation groove and covers the plurality of protrusions and the fixing portions of the ground terminals exposed in the groove. The connector according to claim 7, wherein: the insulating block further includes a plurality of communication grooves that are recessed from the first end surface toward the direction close to the second end surface and correspond to the positions of each of the aforementioned butt joints, and each of the aforementioned butt joints The portion is at least partially exposed in the aforementioned communication groove. The connector according to claim 3, wherein: the aforementioned main body includes a first accommodation slot for accommodating the aforementioned first terminal module, and a slot for accommodating the aforementioned second terminal module arranged at intervals from the aforementioned first accommodation slot. The second receiving tank and the partition plate arranged between the first receiving tank and the second receiving tank. The connector according to claim 3, wherein: the insulating block further includes a positioning plate extending from the shielding plate and protruding from the shielding plate, and the positioning plate includes at least two positioning pieces arranged at intervals and having different sizes.

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